大约有 30,000 项符合查询结果(耗时:0.0473秒) [XML]
What is the most “pythonic” way to iterate over a list in chunks?
... the recipes section of Python's itertools docs:
from itertools import zip_longest
def grouper(iterable, n, fillvalue=None):
args = [iter(iterable)] * n
return zip_longest(*args, fillvalue=fillvalue)
Example
In pseudocode to keep the example terse.
grouper('ABCDEFG', 3, 'x') --> 'ABC...
How do I grant myself admin access to a local SQL Server instance?
...lled SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of).
6 Answers
...
Maximum single-sell profit
....
#
# Let's consider the time and space complexity of this algorithm. Our base
# case takes O(1) time, and in our recursive step we make two recursive calls,
# one on each half of the array, and then does O(n) work to scan the array
# elements to find the minimum and maximum values. This gives the...
Difference between Repository and Service Layer?
...pecific client):
public class OrderController
{
private IOrderService _orderService;
public OrderController(IOrderService orderService)
{
_orderService = orderService; // injected by IOC container
}
public ActionResult ByClient(int id)
{
var model = _orderS...
Why do assignment statements return a value?
... to be careful and draw your line for "simple" low for readability: return _myBackingField ?? (_myBackingField = CalculateBackingField()); A lot less chaff than checking for null and assigning.
– Tom Mayfield
Sep 27 '10 at 22:02
...
How do I check if an index exists on a table field in MySQL?
...nd test all the statement using this. This fails on some tables in my database when trying to use it with LiquiBase 1.9.5. Maybe my DB is corrupted. Or maybe it's a bug in the ancient version of LiquiBase I'm stuck using at work.
– Steve Gelman
Jun 21 '17 at...
How to create PDFs in an Android app? [closed]
...xtWrapper context){
final String APPLICATION_PACKAGE_NAME = context.getBaseContext().getPackageName();
File path = new File( Environment.getExternalStorageDirectory(), APPLICATION_PACKAGE_NAME );
if ( !path.exists() ){ path.mkdir(); }
File file = new File(path, fileName);
try{
...
How do I disable a Pylint warning?
... does not work.
All available pylint messages are stored in the dictionary _messages, an attribute of an instance of the pylint.utils.MessagesHandlerMixIn class. When running pylint with the argument --disable-ids=... (at least without a config file), this dictionary is initially empty, raising a Ke...
MFC子窗口和父窗口(SetParent,SetOwner) - C/C++ - 清泛网 - 专注C/C++及内核技术
...己的子窗口(child)。在MFC 的CWnd类中,所有者窗口保存在m_hWndOwner成员变量中,父窗口则保存在m_hParent中,但是这两个值并不一定和窗口对象数据结构中的值相对应。
窗口之间的关系,决定了窗口的外在表现。比如显示、销毁等...
How to Publish Web with msbuild?
...ion" ; &msbuild "$project" /t:Package /p:"Configuration=$configuration;_PackageTempDir=$outputfolder"
– zcrar70
Feb 2 '11 at 12:25
...